package chapter04.demo1.Example16;
class Animal {
    public void shout(){
        System.out.println("喵喵。。。。");
    }
}
class Dog extends Animal {
    public void shout(){
        System.out.println("汪汪。。。。");
    }
    public void eat(){
        System.out.println("吃骨头。。。。");
    }
}
public class Example16 {
    public static void main(String[] args) {
        Animal an = new Dog();
        Dog dog = (Dog)an;
        dog.shout();
        dog.eat();
    }
}
